6300DIR%24O Ellucian Experience X fn Course: 21F 67914*colloids.pdf*Test 2 Lecture 8.pd XDigital Resources fo XPDFSmartuhttps://digital.wwnorton.com/108930equilibriuml 75%10/19/21SCOREWhat is the value of the equilibrium constant K, for the following reaction at the temperature of the mixture?(8)*o°N= (8) ONT3rd attemptAnalyses of an equilibrium mixture of N204(g) and NO2(g) gave the following results:%3DW g-OT×006'E = [(5)ON][N2O4(g)] = 3.429×10 ³ M7 OF 10 QUESTIONS COMPLETED+ VIEW SOLUTIONS Type here to search75°FLenovoEsc+DoF3F1F2F4F5F10&%233.4.2.

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Answered: What is the value of the equilibrium…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter17: Chemcial Thermodynamics

Section: Chapter Questions

Problem 17.14QE

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In 1.00 atm of pure oxygen, the solubility of O2 (g) in water is 1.26*10-3 M at 25.0oC. The mole fraction of oxygen in air is 0.210. If the atmospheric pressure is 0.979 atm, what is the solubility of oxygen in air at 25oC? Answer is suppose to be 2.59*10-4 M, please show step by step.
The solubility of AgCl(s) in water at 25 °C is 1.33 * 10 - 5 mol/L and its ΔH° of solution is 65.7 kJ>mol. What is its solubility at 50.0 °C?
At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If theconcentration of the colloid is 0.00080 mol/L at the top of the solution and 0.0010mol/L at the bottom, Calculate the average concentration of the colloid in the lowest 0.10 m of thesolution.
Perfluorocarbons (PFCs), hydrocarbons with all the H re-placed by F, have very weak cohesive forces. One unusual appli-cation shows a mouse surviving submerged in O₂-saturated PFCs. (a) At 298 K, perfluorohexane (C₆F₁₄, M=338 g/mol,d=1.674 g/mL) in equilibrium with 101,325 Pa of O₂ has a mole fraction of O₂ of 4.28X10⁻³. What is the kH in mol/Latm?(b) According to one source, the kH for O₂ in water at 25°C is 756.7 L atm/mol. What is the solubility of O₂- in water at 25°C in ppm? (c) Rank the kH values in descending order for O₂- in water,ethanol, C₆F₁₄, and C₆H₁₄. Explain your ranking.
At 300 K consider a colloidal solution, M = 150 kg/mol, in a gravity field. If theconcentration of the colloid is 0.00080 mol/L at the top of the solution and 0.0010 mol/L at the bottom,a) How deep is the solution?b) Calculate the average concentration of the colloid in the lowest 0.10 m of the solution.c) Calculate the number of moles in the lowest 0.10 m of the solution, if the cross sectional area of the container is 20 cm2
Which of the following correctly explains why the vapor pressure of water has to be included in the calculations? a. The pressure exerted by the evolved H2(g) is reduced because of the co-presence of water vapor, thus Pwater vapor has to be added to Pdry gas. b. Some of the liquid water evaporates into the gas, and increases the total pressure generated by the trapped gas. c. As the H2(g) is bubbled up the reaction solution, some of the H2(g) molecules are solubilized by water in the aqueous solution, effectively decreasing the measured pressure above. d. The pressure contributed by the H2(g) is greater than the measured total pressure because of the contribution of partial pressure of water vapor.
1.Calculate the normality of the solutions containing 5.267g/L K2Cr2O7 (the Cr is reduced to Cr3+).(FW=294.19 g/mol) 2.A and B react as follows: A + B 2C. The equilibrium constant is 5.0 x 106. If 0.40 mol of Aand 0.70 mol of B are mixed in 1L, what are the concentrations of A, B and C after reaction? 3. The following data is given at a certain temperature:(1) 2N2 (g) + O2 (g) 2N2O (g) K1 = 1.2 x 10-35(2) N2O4 (g) 2NO2 (g) K2 = 4.6 x 10-3(3) ½N2 (g) + O2 (g) NO2 (g) K3 = 4.1 x 10-9Calculate the molar equilibrium constant, K for the reaction:2N2O (g) + 3O2 (g) 2N2O4 (g)
Given: Colloid Type CEC cmolc/kg pH= 7 Organic matter 200 Vermiculite 150 Smectite 100 Mica 30 Chlorite 30 Kaolinite 8 Fe/Al oxides +5 Your soil is 2.8% organic matter and 21.2% clay. Of that 21.2% clay, 20% is kaolinite, 20% is vermiculite, 40% is smectite, and 20% is mica. It is 1.7% iron oxide. Your soil is at a pH of 7. What is the total CEC of this soil in cmolc/kg?
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Lactic acid (CH3 - CH(OH) - COOH) is a weak acid and therefore a weak electrolyte.found in "cut milk". The freezing point of an aqueous solution 0.01 m of lactic acid is 0.0206 ºC. Knowing that in aqueous solution the following equilibrium occurs:CH3 -CH(OH) -COOH(ac) = CH3 -CH(OH) -COO(-)(ac) + H(+)(ac)and that, therefore, there are three species (solutes) in solution, calculate their percentage of ionization.

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What is the value of the equilibrium constant K. for the following reaction at the temperature of the mixture? 2NO,(g) = N,04(g)